[PATCH 6/6] rockchip: Add DFU to boot from USB for Radxa ROCK Pi S

[Kever Yang]

On 2025/2/11 14:13, FUKAUMI Naoki wrote:
> Boot the Radxa ROCK Pi S from the USB OTG port using rkflashtool[1] or
> rkusbboot[2] and dfu-util.
>
> 1a. Download the TPL and SPL using rkflashtool
>
> $ openssl rc4 -provider legacy -K 7c4e0304550509072d2c7b38170d1711 \
> 	< mkimage-in-simple-bin.mkimage-rockchip-tpl | rkflashtool l
> $ openssl rc4 -provider legacy -K 7c4e0304550509072d2c7b38170d1711 \
> 	< mkimage-in-simple-bin.mkimage-u-boot-spl | rkflashtool L
>
> 1b. Download the TPL and SPL using rkusbboot
>
> $ rkusbboot \
> 	mkimage-in-simple-bin.mkimage-rockchip-tpl \
> 	mkimage-in-simple-bin.mkimage-u-boot-spl
>
> 2. Download the U-Boot
>
> $ dfu-util -a 0 -D u-boot.itb
>
> [1] https://github.com/linux-rockchip/rkflashtool
> [2] https://github.com/RadxaNaoki/rkusbboot
>
> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   configs/rock-pi-s-rk3308_defconfig | 8 ++++++++
>   1 file changed, 8 insertions(+)
>
> diff --git a/configs/rock-pi-s-rk3308_defconfig b/configs/rock-pi-s-rk3308_defconfig
> index 4b08af309b1..29eb6a26bfb 100644
> --- a/configs/rock-pi-s-rk3308_defconfig
> +++ b/configs/rock-pi-s-rk3308_defconfig
> @@ -19,6 +19,8 @@ CONFIG_DEFAULT_FDT_FILE="rockchip/rk3308-rock-pi-s.dtb"
>   CONFIG_SPL_MAX_SIZE=0x40000
>   CONFIG_SPL_PAD_TO=0x7f8000
>   # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_ENV_SUPPORT=y
> +CONFIG_CMD_DFU=y
>   CONFIG_CMD_GPIO=y
>   CONFIG_CMD_GPT=y
>   CONFIG_CMD_MMC=y
> @@ -35,6 +37,9 @@ CONFIG_SYS_RELOC_GD_ENV_ADDR=y
>   CONFIG_REGMAP=y
>   CONFIG_SYSCON=y
>   CONFIG_CLK=y
> +CONFIG_DFU_RAM=y
> +CONFIG_SYS_DFU_DATA_BUF_SIZE=0x100000
> +CONFIG_SYS_DFU_MAX_FILE_SIZE=0x200000
>   # CONFIG_USB_FUNCTION_FASTBOOT is not set
>   CONFIG_ROCKCHIP_GPIO=y
>   CONFIG_SYS_I2C_ROCKCHIP=y
> @@ -62,11 +67,14 @@ CONFIG_SYSINFO=y
>   CONFIG_SYSRESET=y
>   CONFIG_USB=y
>   CONFIG_DM_USB_GADGET=y
> +CONFIG_SPL_DM_USB_GADGET=y
>   CONFIG_USB_EHCI_HCD=y
>   CONFIG_USB_EHCI_GENERIC=y
>   CONFIG_USB_GADGET=y
> +CONFIG_SPL_USB_GADGET=y
>   CONFIG_USB_GADGET_DWC2_OTG=y
>   CONFIG_USB_GADGET_DOWNLOAD=y
>   CONFIG_USB_FUNCTION_ROCKUSB=y
> +CONFIG_SPL_DFU=y
>   CONFIG_LZO=y
>   CONFIG_ERRNO_STR=y